/**
 * Copyright © 2016-2025 The Thingsboard Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.thingsboard.mqtt.broker.dto;

import java.util.concurrent.atomic.AtomicInteger;

import static org.thingsboard.mqtt.broker.common.data.BrokerConstants.MAX_PACKET_ID;

public class PacketIdDto {

    private final AtomicInteger packetIdAtomic;

    public PacketIdDto(int initialPacketId) {
        this.packetIdAtomic = new AtomicInteger(initialPacketId);
    }

    public int getNextPacketId() {
        boolean reachedLimit = packetIdAtomic.compareAndSet(MAX_PACKET_ID, 1);
        return reachedLimit ? packetIdAtomic.get() : packetIdAtomic.incrementAndGet();
    }

    public int getCurrentPacketId() {
        return packetIdAtomic.get();
    }
}
